00628cam a22002291  45000010008000000030008000080050017000160080041000330100017000740350018000910400036001090420012001450500016001570820013001731000017001862450037002032600038002403000037002784400025003155000020003406500038003608405109BD-DhUL20161121084640.0720809s1957    enka     b    000 0 eng    a   57002267   a(OCoLC)377134  aDLCcODaWUdOCoLCdDLCdBD-DhUL  apremarc00aBC135b.P78  a164bPRT1 aPrior, A. N.10aTime and modality /cA. N. Prior  aOxford :bClarendon Press,c1957.  aviii, 148 p. :billus. ;c23 cm. 0aJohn Locke lectures.  aIncludes index. 0aLogic, Symbolic and mathematical.